3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo getenv(NAME_MAX);
based on YfZrc
Output for 7.2.0
Warning: Use of undefined constant NAME_MAX - assumed 'NAME_MAX' (this will throw an Error in a future version of PHP) in /in/CNpJA on line 3
Output for 5.3.19 - 7.1.10
Notice: Use of undefined constant NAME_MAX - assumed 'NAME_MAX' in /in/CNpJA on line 3